W12X336 Dimensions & Weight

W12X336 is an AISC wide-flange (W) shape with an actual depth of 16.82 in and a 13.39 in wide flange, weighing 336 lb per foot — a workhorse size for floor beams and roof framing on commercial jobs. It is the heaviest of the 29 W12 sizes listed here.

W12X336 Dimensions

Property	Imperial	Metric
Depth (d)	16.82 in	427.2 mm
Flange width (bf)	13.39 in	340 mm
Cross-section area (A)	98.8 in²	637.4 cm²
Weight	336 lb/ft	500 kg/m

What does W12X336 cost?

At an example material price of $0.92/lb, W12X336 runs about $309 per foot, or roughly $6,182 for a 20-ft length.

Example pricing only. Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.

Counting W12X336s off a drawing set by hand? SteelFlo finds every steel label on your PDF automatically — 3 takeoffs free.

Related sizes

W12X1414 lb/ft
W12X1616 lb/ft
W12X1919 lb/ft
W12X2222 lb/ft
W12X2626 lb/ft
W12X3030 lb/ft
W12X3535 lb/ft
W12X4040 lb/ft

Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight